﻿/* Copyright 2010-present MongoDB Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

using System;
using MongoDB.Driver.Core.Misc;

namespace MongoDB.Driver.Core.Authentication.Oidc
{
    internal sealed class OidcCredentials
    {
        private readonly IClock _clock;

        public OidcCredentials(string accessToken, TimeSpan? expiration, IClock clock)
        {
            AccessToken = Ensure.IsNotNullOrEmpty(accessToken, nameof(accessToken));
            Expiration = expiration.HasValue ? clock.UtcNow.Add(expiration.Value) : DateTime.MaxValue;
            _clock = clock;
        }

        public string AccessToken { get; }
        public DateTime Expiration { get; }
        public bool IsExpired => Expiration <= _clock.UtcNow;
    }
}
